DIRCE;
P4OUT|=BIT5; //activate CC2420 voltage regulator
- P4OUT|=BIT6; //bring CC2420 out of reset
+ msdelay(100);
+
+ //Reset the CC2420.
+ P4OUT&=~BIT6;
+ P4OUT|=BIT6;
//Begin a new transaction.
- CLRSS;
+ CLRSS;
SETSS;
}
//debugstr("Chipcon SPI handler.");
switch(verb){
+ case PEEK:
+ cmddata[0]|=0x40; //Set the read bit.
+ //DO NOT BREAK HERE.
case READ:
case WRITE:
+ case POKE:
CLRSS; //Drop !SS to begin transaction.
for(i=0;i<len;i++)
cmddata[i]=ccspitrans8(cmddata[i]);
SETSS; //Raise !SS to end transaction.
txdata(app,verb,len);
break;
-
- case PEEK://Grab CCSPI Register
- CLRSS; //Drop !SS to begin transaction.
- cmddata[0]=ccspitrans8(/*CCSPI_R_REGISTER |*/ cmddata[0]); //000A AAAA
- for(i=1;i<len;i++)
- cmddata[i]=ccspitrans8(cmddata[i]);
- SETSS; //Raise !SS to end transaction.
- txdata(app,verb,len);
- break;
-
- case POKE://Poke CCSPI Register
- CLRSS; //Drop !SS to begin transaction.
- cmddata[0]=ccspitrans8(/* CCSPI_W_REGISTER |*/ 0x40 | cmddata[0]); //02AA AAAA
- for(i=1;i<len;i++)
- cmddata[i]=ccspitrans8(cmddata[i]);
- SETSS; //Raise !SS to end transaction.
- txdata(app,verb,len);
- break;
case SETUP:
ccspisetup();
txdata(app,verb,0);
break;
case CCSPI_RX:
- //Get the packet.
- CLRSS;
- ccspitrans8(CCSPI_RXFIFO);
- for(i=0;i<32;i++)
- cmddata[i]=ccspitrans8(0xde);
- SETSS;
- //no break
- txdata(app,verb,32);
+ #ifdef FIFOP
+ //Wait for any incoming packet to finish.
+ //while(!SFD);
+ while(SFD);
+ delay(1000);
+
+
+ //Is there a packet?
+ if((!SFD)){
+ //Get the packet.
+ CLRSS;
+ //ccspitrans8(CCSPI_RXFIFO);
+ ccspitrans8(0x3F|0x40);
+ cmddata[1]=0xff; //to be replaced with length
+ for(i=0;i<cmddata[1];i++)
+ cmddata[i]=ccspitrans8(0xde);
+ SETSS;
+ txdata(app,verb,cmddata[0]);
+ }else{
+ //No packet.
+ txdata(app,verb,0);
+ }
+ #else
+ debugstr("Can't RX a packet with SFD and FIFOP definitions.");
+ txdata(app,NOK,0);
+ #endif
break;
case CCSPI_RX_FLUSH:
//Flush the buffer.
ccspitrans8(CCSPI_SFLUSHRX);
SETSS;
- //Return the packet.
- txdata(app,verb,32);
+ txdata(app,verb,0);
+ break;
+ case CCSPI_REFLEX:
+ debugstr("Coming soon.");
+ txdata(app,verb,0);
break;
- case CCSPI_TX:
case CCSPI_TX_FLUSH:
+ //Flush the buffer.
+ CLRSS;
+ ccspitrans8(CCSPI_SFLUSHTX);
+ SETSS;
+
+ txdata(app,verb,0);
+ break;
+ case CCSPI_TX:
default:
debugstr("Not yet supported.");
txdata(app,verb,0);